--- Gnu-Mach/kern/act.c	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/kern/act.c	2020/09/02 04:42:45	1.1.1.2
@@ -934,7 +934,7 @@ act_get_special_port(Act *act, int which
 	    case THREAD_REPLY_PORT:
 		whichp = &act->reply_port;
 		break;
-#endif	MACH_IPC_COMPAT
+#endif	/* MACH_IPC_COMPAT */
 
 	    case THREAD_KERNEL_PORT:
 		whichp = &act->self_port;
@@ -994,7 +994,7 @@ act_set_special_port(Act *act, int which
 	    case THREAD_REPLY_PORT:
 		whichp = &act->reply_port;
 		break;
-#endif	MACH_IPC_COMPAT
+#endif	/* MACH_IPC_COMPAT */
 
 	    case THREAD_KERNEL_PORT:
 		whichp = &act->self_port;